.spinner {
  width: 36px;
  height: 36px;

  border: 4px solid rgb(0 0 0 / 10%);
  border-left-color: #09f;
  border-radius: 50%;

  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}
